Operational amplifiers are suitable for signal amplification and processing in audio equipment, video display instruments, power monitoring, security alarm systems, etc.
The model is LM358N, and it can be used as long as the model is the same.
With excellent performance and a wide range of applications, it is widely used in various electronic devices, including but not limited to computers, mobile phones, computers, etc.
It uses metal materials and IC chips as a voltage comparator or signal amplifier to monitor and stabilize power output.
It contains 50x operational amplifier modules, which you can use for DIY and give to family and friends.